package com.dzsw.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.*;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.util.Objects;

/**
 * @author sunz
 * @version 1.0
 * @CreateTime 2021-05-17-16:44
 */
@Configuration
public class RedisConfig {

    /**
     * retemplate相关配置
     *
     * @param factory
     * @return
     */
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory,
                                                       StringRedisSerializer keySerializer,
                                                       Jackson2JsonRedisSerializer<Object> valueSerializer) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        // 配置连接工厂
        template.setConnectionFactory(factory);
        // 值采用json序列化
        template.setValueSerializer(valueSerializer);
        //使用StringRedisSerializer来序列化和反序列化redis的key值
        template.setKeySerializer(keySerializer);
        // 设置hash key 和value序列化模式
        template.setHashKeySerializer(keySerializer);
        template.setHashValueSerializer(valueSerializer);
        template.afterPropertiesSet();
        return template;
    }

    @Bean
    Jackson2JsonRedisSerializer<Object> valueSerializer(FactoryBean<ObjectMapper> objectMapper) throws Exception {
        //使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
        Jackson2JsonRedisSerializer<Object> jacksonSerial = new Jackson2JsonRedisSerializer<>(Object.class);
        jacksonSerial.setObjectMapper(Objects.requireNonNull(objectMapper.getObject()));
        return jacksonSerial;
    }

    @Bean
    StringRedisSerializer keySerializer() {
        return new StringRedisSerializer();
    }

    /**
     * 对hash类型的数据操作
     *
     * @param redisTemplate
     * @return
     */
    @Bean
    public HashOperations<String, String, Object> hashOperations(RedisTemplate<String, Object> redisTemplate) {
        return redisTemplate.opsForHash();
    }

    /**
     * 对redis字符串类型数据操作
     *
     * @param redisTemplate
     * @return
     */
    @Bean
    public ValueOperations<String, Object> valueOperations(RedisTemplate<String, Object> redisTemplate) {
        return redisTemplate.opsForValue();
    }

    /**
     * 对链表类型的数据操作
     *
     * @param redisTemplate
     * @return
     */
    @Bean
    public ListOperations<String, Object> listOperations(RedisTemplate<String, Object> redisTemplate) {
        return redisTemplate.opsForList();
    }

    /**
     * 对无序集合类型的数据操作
     *
     * @param redisTemplate
     * @return
     */
    @Bean
    public SetOperations<String, Object> setOperations(RedisTemplate<String, Object> redisTemplate) {
        return redisTemplate.opsForSet();
    }

    /**
     * 对有序集合类型的数据操作
     *
     * @param redisTemplate
     * @return
     */
    @Bean
    public ZSetOperations<String, Object> zSetOperations(RedisTemplate<String, Object> redisTemplate) {
        return redisTemplate.opsForZSet();
    }
}
